Home / 19,346.13-29,021.22-8,253.99

Finding the Fourth Proportional to 19,346.13, 29,021.22 and 8,253.99

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Solution

The fourth proportional to 19,346.13, 29,021.22 and 8,253.99 is: 12,381.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.13 : 29,021.22 = 8,253.99 : x
  2. Step 2: Convert to fraction form
    19,346.13/29,021.22 = 8,253.99/x
  3. Step 3: Cross multiply
    19,346.13x = 29,021.22 × 8,253.99
  4. Step 4: Simplify right side
    19,346.13x = 239,540,859.67
  5. Step 5: Solve for x
    x = 239,540,859.67/19,346.13
  6. Step 6: Final answer
    x = 12,381.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.